QSC KSub (dual 12″ active subwoofer)

商品編號 00559

K12 features include:

  • Dual 12” subwoofer drivers
  • Maximum SPL 130 dB peak
  • Lightweight portable powered speaker with legendary QSC amplifier power and reliability
  • 1000-watt continuous Class D power modules in all models
  • Extensive DSP enhances system performance
  • Attractive and professional appearance
  • Comfortable ergonomic handles
  • Rugged birch plywood enclosure
  • Comfortable ergonomic handles
  • Threaded pole socket
  • Speaker mounting pole included (35 mm diameter, 26.4 in / 67 cm long, M20 thread)


K Series


Configuration4th-order bandpass
2 × 12″ cone transducers
Frequency Response (-6 dB)48 Hz to 134 Hz
Frequency Range (-10 dB)44 Hz to 148 Hz
Maximum SPL1130 dB peak
Power Output21000 W continuous Class D (2 × 500 W)
2000 W peak
Input ImpedanceXLR / ¼”: 40 kΩ balanced / 20 kΩ unbalanced
ControlsPower, Gain, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (On/Off/Limit)
IndicatorsPower, Signal, Standby, Limit
ConnectorsDual balanced female XLR/¼” line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector
CoolingOn demand, 50 mm variable speed fan
Amplifier ProtectionThermal limiting, output overcurrent, overtemperature muting, GuardRail™
Transducer ProtectionThermal limiting, excursion limiting
AC Power InputUniversal power supply 100–240 VAC, 50 to 60 Hz
AC Power Consumption
(1/8 Power)
100 VAC, 2.3 A
120 VAC, 2.01 A
230 VAC, 1.13 A
MaterialPainted birch plywood
FinishBlack textured paint
Dimensions (HWD)26″ × 14″ × 28.1″ (including casters)
665 mm × 356 mm × 714 mm
Weight (Net)74 lb / 33.6 kg
Available AccessoriesKSub cover
1 For comparison purposes and in accordance with common industry practice, maximum peak SPL specifications are theoretical calculations based upon transducer sensitivity and peak available amplifier power.

2 Independent of limiters and driver protection circuits.

All specifications are subject to change without notice.